Water pipe valve



FIG. 1 is a perspective view of a water pipe valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof.

The broken lines throughout the drawing figures depict portions of the water pipe valve that form no part of the claimed design. 

CLAIM The ornamental design for a water pipe valve, as shown and described. 